Birdwatch Note Rating
2023-04-07 10:21:36 UTC - HELPFUL
Rated by Participant: 2E61C48073B9B9391FA7807445D0D517BEACABD32F3FCD40D2F6620F896AAC20
Participant Details
Original Note:
Vaccines normally require a study on their efficacy before being approved. Independent governments and health agencies all over the world tracked the efficacy of the vaccine over time, taking into account factors such as new variants originally not known. https://www.nejm.org/doi/full/10.1056/nejmoa2110345
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